Amid allegations of poaching of MPs ahead of the July 22 trust vote in Lok Sabha, the BJP on Saturday charged the Prime Minister's Office with being a "patent promoter of horse trading".

"Today the PMO has become the biggest counter for political bargain and the patent promoter of horse-trading," BJP spokesman Ravishanker Prasad said.

Referring to Manmohan Singh's [Images] meeting with Reliance Industries [Get Quote] chief Mukesh Ambani, he said: "In 1979, Morarji Desai lost his government without making any compromise... In 1998, the Vajpayee government lost by one vote, but today the PMO is being forced to become an arbitrator in corporate disputes (for survival)."

Claiming that the fall of the UPA government was "imminent", Prasad said: "The sooner it goes the better."

The BJP was for good relations with the US but was against the Indo-US nuclear deal in the present form as it compromised India's nuclear deterrent autonomy, the party spokesman said.